1. (2021六上·偃师期中) 给下列问句选择合适的答语。

A. About six thousand kilometres long. B. It's in Anhui. C. Yes, there is. D. I can speak French. E. I fly the flag and sing songs.

1. （1） Is there a lake in Anhui?
3. （2） Where's the Huangshan Mountain?
5. （3） What do you do on Flag Day?
7. （4） How long is the Changjiang River?
9. （5） I can speak English. What about you?